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effect of pH change associated with urea applications upon the mycorrhizal complement of western hemlock (Tsuga heterophylla). 336. LeDoux, C.B., R.D. Fight and T.L. Ortman. 1986. Stump-to-truck cable logging cost equations for young-growth Douglas-fir. Western-Journal-of-Applied-Forestry 1(1): 19-22. Keywords: thinning commercial thinning economics 149 Abstract: Data on log sizes were generated to simulate young (age 40-120 yr) Douglas fir site III and IV in the Pacific Northwest. The data were used to develop equations for estimating the delay-free costs of: (1) felling, limbing and cross-cutting; (2) yarding; (3) loading; (4) road changing; and (5) moving in and out and initial rigging up and down. An additional equation estimates the number of logs per 1000 ftsuperscript 3 for logs of d.b.h. 6-24 inch. The equations were developed for 2 small and 1 medium sized yarders and are applicable on slopes of 10-50%. The equations can be used to provide detailed estimates for thinning, partial or shelterwood felling and clearfelling. A BASIC computer program is available from the authors. 337. Lee, Y.J. and H.J. Barclay. 1985. Ten-year growth response of a 25-year-old and a 55-year-old Douglas-fir stand to thinning and urea fertilization. Pacific-Forestry-Centre, Canadian-Forest- Service Information-Report BC-X-260. 14 p. Keywords: fertilization thinning growth tree/stand health Abstract: In stands of medium site quality in British Columbia, 4 rates of nitrogen (0, 112, 224, and 336 k/ha of N), in the form of urea (46% N), were tested at two thinning intensities. Fertilizer was applied in spring or fall, but the season of application had little effect on growth. Thinning almost doubled diam. growth by 10 yr but affected only net vol. growth; gross vol. was only minimally affected by thinning. Fertilization in the 25-yr-old stand increased mean d.b.h. growth significantly in the second and third yr and increased vol. growth significantly in the first 3 yr, but the effect diminished thereafter. Different rates of fertilizer application on the 55-yr-old stand gave inconsistent results. Combined thinning and fertilizer treatment had the greatest growth response. In both stands the overall effect of 336 kg/ha N was to increase vol. growth by about 20%. Thinning significantly decreased mortality, but the effect of fertilizer was negligible. Combined treatment had the greatest effect on the advancement of trees by the number of d.b.h. classes. The effect of thinning and fertilizing on the cumulative growth will probably continue after 10 yr until crowding sets in. 338. Leininger, W.C. and S.H. Sharrow. 1987. Seasonal diets of herded sheep grazing Douglas-fir plantations. Journal-of-Range-Management 40(6): 551-555. Keywords: release treatments tree/stand health stand conditions Abstract: The seasonal diets of herded sheep grazing cutover Douglas-fir (Pseudotsuga menziesii) forests in the Coast Range of Oregon were studied during 1981 and 1982. Both 4- to 6-
150 year-old non-grass-seeded and 2-year-old grass-seeded plantations were included. Sheep grazing was monitored in spring, summer and late summer. Forage on offer ranged from 764 to 2459 kg/ha. Vegetational composition of sheep diets varied by year, season and plantation age class. Averaged over the 2 years of grazing, graminoids and forbs were nearly equal, at about 40% each, in sheep diets in older plantations. In contrast, diets of sheep in young grass-seeded plantations averaged 70% graminoids and only 16% forbs. Ferns were a minor component (
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IntensIve sIlvIculture of coastal D
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Acknowledgements This bibliography
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INTRODUCTION Silvicultural regimes
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1. 1987. Impact of intensive forest
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7. Abdel-Gadir, A.Y., R.L. Krahmer
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previous generation. The removal of
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Abstract: Survival and growth of Ps
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growth tree/stand health mycorrhiza
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eflected in foliage damage and xyle
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Abstract: Relationships between tre
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(and other measures of overstorey d
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structural diversity, and wood prod
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Abstract: Cone production and radia
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survived and competed with the natu
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Abstract: Residual stand damage was
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spruce, 292 open-pollinated progeni
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Keywords: nursery operations tree m
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density, max. latewood density, and
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treatment-and-utilization-of-munici
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tree/stand health Abstract: Changes
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80. Cameron, I.R. 1988. An evaluati
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fertilizer (225 kg N/ha as urea). R
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Abstract: Basidiospores (0, 106, 10
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Abstract: A review showed that most
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Abstract: A study was conducted on
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espectively. The accelerated rate o
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111. Coleman, M., J. Dunlap, D. Dut
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increased dry weights whereas neith
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ut brownline appeared in all wound
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Keywords: nursery operations tree m
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Abstract: Initial stand statistics
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133. Curtis, R.O., D.D. Marshall an
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stand conditions Abstract: Effects
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population size and composition of
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146. Driessche, R.v.-d. 1984a. Resp
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was correlated with soil pH, extrac
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Keywords: nursery operations growth
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Abstract: Natural seedling root phe
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Keywords: seed orchard management r
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Keywords: genetic tree improvement
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genetic relationships Abstract: The
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seed orchard management genetic rel
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179. Entry, J.A., K. Cromack, Jr.,
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Abstract: A field study was carried
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pruning is done as early as biologi
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planting operations wood quality ec
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199. Figueroa, P.F., R.C. Heald and
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treatments. Soil water loss in trea
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amount of fungal inoculum. The lowe
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successional attributes to reach de
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Abstract: A review is given of stud
Page 106 and 107: Abstract: Seedlings of western red
Page 108 and 109: 101 trees yield estimates of foliag
Page 110 and 111: 103 hemlock (Tsuga heterophylla), P
Page 112 and 113: growth tree/stand health 105 Abstra
Page 114 and 115: 107 Abstract: This study investigat
Page 116 and 117: 109 annual increment of crown cover
Page 118 and 119: Keywords: fertilization soil proper
Page 120 and 121: 113 Abstract: Field trapping in Bri
Page 122 and 123: 115 Abstract: Five years after plan
Page 124 and 125: 263. Henry, C.L., D.W. Cole, T.M. H
Page 126 and 127: 119 weather following fertilizing,
Page 128 and 129: 121 areas, but were not significant
Page 130 and 131: 123 caused rhizomes to die and clon
Page 132 and 133: 125 inoculated seedlings had 40% of
Page 134 and 135: 286. Jaindl, R.G. and S.H. Sharrow.
Page 136 and 137: 129 most part, not too large becaus
Page 138 and 139: 131 and ethanol neither significant
Page 140 and 141: 133 plots was 18% less in 1988 and
Page 142 and 143: Keywords: thinning commercial thinn
Page 144 and 145: 310. Kershaw, J.A., Jr. and D.A. Ma
Page 146 and 147: genetic relationships 139 Abstract:
Page 148 and 149: 141 Abstract: Analysis of variance
Page 150 and 151: elease treatments yield economics 1
Page 152 and 153: 145 Abstract: Cover-projection mode
Page 154 and 155: eproduction 147 Abstract: Seeds fro
Page 158 and 159: Keywords: genetic tree improvement
Page 160 and 161: 153 Bioassays suggested that no mac
Page 162 and 163: 155 Abstract: Results are presented
Page 164 and 165: 157 (ML) recovery of the estimated
Page 166 and 167: 159 measured, allowing estimation o
Page 168 and 169: 161 Abstract: Pathogens can cause c
Page 170 and 171: 163 method is presented and illustr
Page 172 and 173: 373. McClain, K.M. and D.P. Lavende
Page 174 and 175: 167 4.6 inches at 12 inches above m
Page 176 and 177: 169 1990 until April 1991, at a nur
Page 178 and 179: 171 treatment reduced the amount of
Page 180 and 181: 392. Miller, R.E., M.V. Atherton an
Page 182 and 183: 175 Predicting response of fertiliz
Page 184 and 185: 401. Miller, R.E., J. Smith and H.
Page 186 and 187: 179 seedlings grown on similar site
Page 188 and 189: 181 which were initially more slend
Page 190 and 191: 183 fertilizer. Ectomycorrhizal dev
Page 192 and 193: 185 thinning trees when less than 1
Page 194 and 195: 187 after fertilization (seasons of
Page 196 and 197: 189 for planting-induced root defor
Page 198 and 199: stress. For the 1st 3 years in a fa
Page 200 and 201: 193 widely spaced stands, or thinni
Page 202 and 203: Keywords: fertilization thinning gr
Page 204 and 205: stand conditions 197 Abstract: Foll
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199 during lateral shoot elongation
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201 provided by litter. These findi
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growth soil properties 203 Abstract
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205 may have benefited growth of th
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207 Abstract: A recent cutover area
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209 areas. Several sites had additi
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211 Abstract: In six Douglas-fir [P
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213 Abstract: Studies were made in
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215 A 2nd survey in 1987 confirmed
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217 basis from mid-May to late Aug.
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Keywords: nursery operations tree/s
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chemical preparation release treatm
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223 Growth of the stocktypes appear
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225 basal diameter, and height of s
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227 Percentages of Douglas-fir tree
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229 untopped trees and had no effec
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tree morphology tree/stand health 2
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wood quality genetic relationships
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235 Abstract: Two studies on the ef
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237 from the coastal source (450 m)
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239 planted as 5-tree clusters in 1
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241 endemic populations with pherom
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243 Plantgard and Clear Spray incre
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growth tree/stand health 245 Abstra
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247 later ages and practical implic
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249 converted to stemwood), were pa
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improved population. The plantable
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tree/stand health 253 Abstract: The
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growth tree/stand health tree morph
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257 planting site. Six root growth
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Keywords: genetic tree improvement
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595. Sumaryono and G. Crabtree. 198
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263 Abstract: The report of the thi
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265 some Pacific silver fir [Abies
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267 Abstract: In 1982, Douglas fir
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269 The regression methods used in
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271 Abstract: In trials near Coos B
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stand data, results were more varia
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275 growth initiation (rA=-0.41) an
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277 14.5, 7.8, and 5.5 t/ha for the
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279 increased with time. The age-ad
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281 maintenance of genetic diversit
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283 Abstract: In vitro viability re
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285 girdles were superior to band g
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287 survival of both species but di
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289 edges; characteristics which in
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291 denatonium benzoate. In the Ida
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indicates that seeds with low level
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Silvicultural Treatment Glossary ch
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Treatment Response Glossary carbon
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KEYWORD INDEX carbon allocation: 44
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precommercial thinning: 101, 127, 1
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